Home / 3,321.66-4,982.50-3,177.53

Finding the Fourth Proportional to 3,321.66, 4,982.50 and 3,177.53

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Solution

The fourth proportional to 3,321.66, 4,982.50 and 3,177.53 is: 4,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.66 : 4,982.50 = 3,177.53 : x
  2. Step 2: Convert to fraction form
    3,321.66/4,982.50 = 3,177.53/x
  3. Step 3: Cross multiply
    3,321.66x = 4,982.50 × 3,177.53
  4. Step 4: Simplify right side
    3,321.66x = 15,832,023.10
  5. Step 5: Solve for x
    x = 15,832,023.10/3,321.66
  6. Step 6: Final answer
    x = 4,766.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.